[INFO] cloning repository https://github.com/femnad/leth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/femnad/leth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Fleth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Fleth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6803150661f041749c6a5075c650c93594681948
[INFO] checking femnad/leth against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Fleth" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/femnad/leth on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/femnad/leth
[INFO] finished tweaking git repo https://github.com/femnad/leth
[INFO] tweaked toml for git repo https://github.com/femnad/leth written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/femnad/leth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.52
[INFO] [stderr]   Downloaded thiserror v1.0.52
[INFO] [stderr]   Downloaded crossbeam v0.8.3
[INFO] [stderr]   Downloaded defer-drop v1.3.0
[INFO] [stderr]   Downloaded tuikit v0.5.0
[INFO] [stderr]   Downloaded skim v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38453d8bd5be5745118473d2ad1ca65b159af82fd28ea062ebe9f3c18ee8276
[INFO] running `Command { std: "docker" "start" "-a" "a38453d8bd5be5745118473d2ad1ca65b159af82fd28ea062ebe9f3c18ee8276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38453d8bd5be5745118473d2ad1ca65b159af82fd28ea062ebe9f3c18ee8276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38453d8bd5be5745118473d2ad1ca65b159af82fd28ea062ebe9f3c18ee8276", kill_on_drop: false }`
[INFO] [stdout] a38453d8bd5be5745118473d2ad1ca65b159af82fd28ea062ebe9f3c18ee8276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da27eb5afc216ea5ec05b6cc437e8a8ea1dffa7694c20e5c80bb7f3565305276
[INFO] running `Command { std: "docker" "start" "-a" "da27eb5afc216ea5ec05b6cc437e8a8ea1dffa7694c20e5c80bb7f3565305276", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking deranged v0.3.10
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking beef v0.5.2
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking crossbeam-queue v0.3.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking defer-drop v1.3.0
[INFO] [stderr]     Checking crossbeam v0.8.3
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking tuikit v0.5.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking clap v4.4.11
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking skim v0.10.4
[INFO] [stderr]     Checking leth v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.62s
[INFO] running `Command { std: "docker" "inspect" "da27eb5afc216ea5ec05b6cc437e8a8ea1dffa7694c20e5c80bb7f3565305276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da27eb5afc216ea5ec05b6cc437e8a8ea1dffa7694c20e5c80bb7f3565305276", kill_on_drop: false }`
[INFO] [stdout] da27eb5afc216ea5ec05b6cc437e8a8ea1dffa7694c20e5c80bb7f3565305276
[INFO] checking femnad/leth against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Fleth" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/femnad/leth on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/femnad/leth
[INFO] finished tweaking git repo https://github.com/femnad/leth
[INFO] tweaked toml for git repo https://github.com/femnad/leth written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/femnad/leth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08a2091f88ab4ad4e28a1e6144806b016fc77c55716fcea354646d6bbd46d532
[INFO] running `Command { std: "docker" "start" "-a" "08a2091f88ab4ad4e28a1e6144806b016fc77c55716fcea354646d6bbd46d532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a2091f88ab4ad4e28a1e6144806b016fc77c55716fcea354646d6bbd46d532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a2091f88ab4ad4e28a1e6144806b016fc77c55716fcea354646d6bbd46d532", kill_on_drop: false }`
[INFO] [stdout] 08a2091f88ab4ad4e28a1e6144806b016fc77c55716fcea354646d6bbd46d532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b201b82abdf97ccdd8f70be4b082497aa08ad3f50afb01db4e39b90d64e64de8
[INFO] running `Command { std: "docker" "start" "-a" "b201b82abdf97ccdd8f70be4b082497aa08ad3f50afb01db4e39b90d64e64de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking deranged v0.3.10
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking beef v0.5.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking crossbeam-queue v0.3.10
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking defer-drop v1.3.0
[INFO] [stderr]     Checking crossbeam v0.8.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking tuikit v0.5.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking clap v4.4.11
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking skim v0.10.4
[INFO] [stderr]     Checking leth v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.52s
[INFO] running `Command { std: "docker" "inspect" "b201b82abdf97ccdd8f70be4b082497aa08ad3f50afb01db4e39b90d64e64de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b201b82abdf97ccdd8f70be4b082497aa08ad3f50afb01db4e39b90d64e64de8", kill_on_drop: false }`
[INFO] [stdout] b201b82abdf97ccdd8f70be4b082497aa08ad3f50afb01db4e39b90d64e64de8